WASHINGTON — It’s a ballroom blitz. President Trump unloaded on the National Trust for Historic Preservation for a “ridiculous lawsuit” looking to block further construction of a sprawling $300-$400 million White House ballroom.

A historic preservation nonprofit is trying to block ongoing construction of Trump's new White House ballroom.

The federal judge presiding over a challenge to the White House ballroom project signaled deep skepticism of the Trump administration's arguments.

The architect designing the White House ballroom revealed new potential features requested by President Donald Trump on Thursday, including an addition to the West Wing to balance out the grand plans for the new ballroom structure on the east side.

Lago, a Palm Beach house owned by a company affiliated with President Donald Trump has been offered for rent at $1.47 million a year.